Masterweld 309L is a bare, corrosion-resistant, chromium-nickel welding rod for welding the 24%Cr, 13%Ni-alloyed types of steel. The alloy is also used for welding buffer layers on CMn steels and welding dissimilar joints. When using the wire for buffer layers and dissimilar joints, it is necessary to control the dilution of the weld. Masterweld 309L has good general corrosion resistance. When used for joining dissimilar materials, the corrosion resistance is of secondary importance.
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